Uni-ball Vision Elite 0.8 mm rollerball pen. The Vision Elite is reliable under high air pressure fluctuations thanks to its Airplane Safe Technology. The document-proof ink does not leak when cabin pressure changes during flights, making it ideal for business travelers. With a smooth-flowing ink similar to that of a fountain pen, it is suitable for writing letters, invitations, and business documents. The safety system prevents ink leakage during rapid changes in air pressure. Water-resistant and lightfast with a futuristic design. Refillable in black and blue with UBR-90 ink cartridge.